After losing his wife, Anna's father-in-law suffers from difficulty swallowing food. She vows to do anything to help him, but is shocked when he pleads, "Inside you, Yuna... just 10 seconds! Only 10 seconds is all I need!" She decides to fulfill his request, gently guiding him through the act. A bittersweet yet tender story of Anna empathizing with her father-in-law's emotional pain and uncovering the true desire hidden deep within his heart.